Polarity is defined based on the conventional current through a resistive element
Indicate whether the statement is true or false
TRUE
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Two technicians are discussing A/C systems. Technician A says that the TXV system uses a receiver–drier mounted in the suction line. Technician B says that the orifice tube system uses an accumulator in the suction line. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
The United States leads the world in the production and consumption of pork
Indicate whether the statement is true or false.
Answer the following statement(s) true (T) or false (F)
1. The term motor reaction is used to describe the phenomenon that a current-carrying wire within a magnetic field will move. 2. The term motor effect only applies just to motors. 3. Television picture tubes operate on the motor effect when they develop the picture on the screen. 4. Some inventions of nearly 100 years ago, such as Joseph Henry’s telegraph and Alexander Graham Bell’s telephone, share no common elements with the most sophisticated electronic devices of modern times. 5. One of the first applications of magnetic pull was lifting magnets, which are widely used for the transfer of scrap steel.
________ trunks are used to connect two long distance switches (one-way or two-way) incoming or outgoing
Fill in the blank(s) with correct word